package Thread.Demo11;

/**
 * @Author Miku
 * @Create 2021/5/18 17:22
 * 不安全的取钱
 * 两个人去银行取钱，账户
 */
public class UnsafeBank {
    public static void main(String[] args) {
        //账户
        Account account = new Account(1000, "test");

        Drawing miku = new Drawing(account, 50, "miku");
        Drawing luka = new Drawing(account, 100, "luka");

        miku.start();
        luka.start();
    }
}

/**
 * 账户
 */
class Account{
    /**
     * 余额
     */
    int money;
    /**
     * 卡名
     */
    String name;

    public Account(int money, String name) {
        this.money = money;
        this.name = name;
    }
}

/**
 * 银行
 */
class Drawing extends Thread {
    /**
     * 账户
     */
    Account account;
    /**
     * 取了多少钱
     */
    int drawingMoney;
    /**
     * 现在手里有多少钱
     */
    int nowMoney;

    public Drawing(Account account,int drawingMoney,String name) {
        super(name);
        this.account = account;
        this.drawingMoney = drawingMoney;
    }

    @Override
    public void run() {
        synchronized (account) {
            //判断有没有钱
            if (account.money - drawingMoney < 0) {
                System.out.println(Thread.currentThread().getName()+"钱不够，取不了");
                return;
            }

            try {
                Thread.sleep(1000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }

            //卡内余额 = 余额 - 你取的钱
            account.money = account.money - drawingMoney;

            //手里的钱
            nowMoney = nowMoney + drawingMoney;

            System.out.println(account.name+"余额为:"+account.money);
            System.out.println(this.getName()+"手里的钱:"+nowMoney);
        }
    }
}
